4006466622406 has 4 divisors (see below), whose sum is σ = 6009699933612. Its totient is φ = 2003233311202.

The previous prime is 4006466622391. The next prime is 4006466622407. The reversal of 4006466622406 is 6042266646004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006466622407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001616655600 + ... + 1001616655603.

It is an arithmetic number, because the mean of its divisors is an integer number (1502424983403).

Almost surely, 2^{4006466622406} is an apocalyptic number.

4006466622406 is a deficient number, since it is larger than the sum of its proper divisors (2003233311206).

4006466622406 is a wasteful number, since it uses less digits than its factorization.

4006466622406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003233311205.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 4006466622406 in words is "four trillion, six billion, four hundred sixty-six million, six hundred twenty-two thousand, four hundred six".